利用负本征值理论及无限阶微扰理论，对系统电子的本征值和本征态进行了数值计算。

Using the negative eigenvalue theory and the infinite order perturbation theory, we calculate numerically the eigenvalues and the eigenvectors of the electronic states.

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结合势函数有限跃变和无限跃变的几种实例，讨论波函数一阶导数在势函数跃变处的连续性问题，从而进一步明确连续性条件。

Continuity on first derivative of wave function is discussed by means of several instances of finite and infinite transitions of potential function and hereby continuity conditions is pinpointed.

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对具有无限方差的一阶自回归非平稳过程进行了研究。

We study the unstable autoregressive process for the first order with infinite variance.

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